- The simplest explanation of dark matter (DM) is based on AWT, by which every gravity field is a result of density gradient of Aether. At the case of massive bodies the highest density gradient exists just at the surface of massive object. This density gradient is a source of additional weak gravity field of negative curvature, which attracts and collects the particles of negative surface too, the particles of antimatter in particular - which is one of the ways, in which such interpretation of DM may be tested.
From AWT follows, the idea of gravitational singularity of general is conceptually wrong, as every high curvature of Aether density would manifests like another source of matter density, which would balance the singularity at the center. This is a direct consequence of gradient driven reality (i.e. the fact, nature doesn't like jumps and steps).
- Another explanation may be based on general relativity in connection to mass-energy equivalence. We can consider again, maximal curvature of space-time of every massive object exists at the surface of this object. This curvature is equivalent to energy density of space-time, which is equivalent to mass density by E=mc^2 formula (this approach was formalized by J. Bekenstein and Rudi V. Nieuwenhove recently.) This additional mass density balances the curvature of the space-time, which has caused gravity field originally.
Note that large space-time curvature at the surface of massive object will lead to violation of buoyancy condition, because mass/energy density may become higher here, then at the center of massive object - which would lead to undulations of space-time and indeterministic quantum mechanics behavior - so it suggests a route, how to implement quantum gravity solution, at least locally.
- Another model of dark matter may be based on general relativity and concept of omnidirectional Universe expansion. The Lense-Thirring effect is based on constant speed of energy spreading in curved space-time, which leads to reference frame dragging. If we introduce an omnidirectional space-time expansion, it will be pronounced the more, the more the space-time is curved already. This will gradually lead to freezing of energy spreading in expanding space-time, which will therefore move like single body from distant observer perspective. For example, Pioneer anomaly is based on acceleration, which is proportional to product of Hubble constant and speed of light. It can serve as an indicia, the limited speed of light and omnidirectional expansion of space-time itself is sufficient for explanation of dark matter behavior.
The surface-tension model of AWT is still more intuitive here, though: we can imagine, the gravity field of galaxy behaves like single giant water droplet, the surface of which is behaving like water surface. And energy spreads always slower at the water surface, then through underwater or above the surface. It means, at surface layer of every gradient of gravity field the light or gravity spread in slower speed, then at the bulk. The space-time moves here like more dense and rigid body, which we can observe by rotational curves of individual stars at the galactic boundaries.
- The most abstract explanation of dark matter phenomena may be based on pure geometry of omnidirectional space-time expansion, where the volume of every area of space-time increases faster, then its surface. Because geometry of energy spreading is given by Lagrangian (which follows from diffusional Aether model on background), the energy spreading through bulk (via longitudinal waves) switches itself into surface spreading (via transversal waves) in less or more distant perspective - thus creating a new reference frame, because human creatures can consider only surface transversal waves in causal energy spreading at distance.
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